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CREATE TABLE companies (
id bigserial PRIMARY KEY,
name text NOT NULL,
image_url text,
created_at timestamp without time zone NOT NULL,
updated_at timestamp without time zone NOT NULL
);
CREATE TABLE campaigns (
id bigserial PRIMARY KEY,
company_id bigint REFERENCES companies (id),
name text NOT NULL,
cost_model text NOT NULL,
state text NOT NULL,
monthly_budget bigint,
blacklisted_site_urls text[],
created_at timestamp without time zone NOT NULL,
updated_at timestamp without time zone NOT NULL
);
CREATE TABLE ads (
id bigserial PRIMARY KEY,
campaign_id bigint REFERENCES campaigns (id),
name text NOT NULL,
image_url text,
target_url text,
impressions_count bigint DEFAULT 0,
clicks_count bigint DEFAULT 0,
created_at timestamp without time zone NOT NULL,
updated_at timestamp without time zone NOT NULL
);
CREATE TABLE clicks (
id bigserial PRIMARY KEY,
ad_id bigint REFERENCES ads (id),
clicked_at timestamp without time zone NOT NULL,
site_url text NOT NULL,
cost_per_click_usd numeric(20,10),
user_ip inet NOT NULL,
user_data jsonb NOT NULL
);
CREATE TABLE impressions (
id bigserial PRIMARY KEY,
ad_id bigint REFERENCES ads (id),
seen_at timestamp without time zone NOT NULL,
site_url text NOT NULL,
cost_per_impression_usd numeric(20,10),
user_ip inet NOT NULL,
user_data jsonb NOT NULL
);
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